Question

PLEASEE PLEASEE HELPP!!

Answer 1

Find the zeros of the function.f(x) = 9 x3 - 72 x2 + 135x

Answer 2

-5 and -3

0, -5, and -3

5 and 3

0, 5, and 3

Answer 3

\[f(x)=9x^3-72x^2+135x=9x(x^2-8x+15)\]in order to have f(x)=0 it has to be: x=0 and \[x^2-8x+15=0\rightarrow (x-5)(x-3)=0 \rightarrow x=5///x=3\]

Answer 4

thank you soo muchh